eu.etaxonomy.taxeditor.cdmlib/src/main/java/eu/etaxonomy/taxeditor/remoting/cache/CdmModelCacher.java

   1 package eu.etaxonomy.taxeditor.remoting.cache;
   2
   3 import java.lang.reflect.Field;
   4 import java.lang.reflect.Method;
   5 import java.util.ArrayList;
   6 import java.util.Iterator;
   7 import java.util.List;
   8
   9 import net.sf.ehcache.Cache;
  10 import net.sf.ehcache.Element;
  11
  12 import org.apache.log4j.Logger;
  13 import org.hibernate.cfg.Configuration;
  14 import org.hibernate.mapping.PersistentClass;
  15 import org.hibernate.mapping.Property;
  16 import org.hibernate.property.Getter;
  17
  18
  19 public class CdmModelCacher {
  20
  21
  22         private static final Logger logger = Logger.getLogger(CdmModelCacher.class);
  23
  24         public static String HB_CONFIG_FILE_PATH= "/eu/etaxonomy/cdm/mappings/hibernate.cfg.xml";
  25
  26         private final List<CdmModelFieldPropertyFromClass> cmgmfcList = new ArrayList<CdmModelFieldPropertyFromClass>();
  27
  28
  29         public static Configuration buildConfiguration() {
  30             Configuration configuration = new Configuration().configure(HB_CONFIG_FILE_PATH);
  31         configuration.buildMappings();
  32         return configuration;
  33         }
  34
  35         public void cacheGetterFields(Cache cache) {
  36
  37             Configuration configuration = buildConfiguration();
  38                 Iterator<PersistentClass> classMappingIterator =   configuration.getClassMappings();
  39
  40                 cache.removeAll();
  41
  42                 while(classMappingIterator.hasNext()) {
  43                         PersistentClass persistentClass = classMappingIterator.next();
  44                         Class mappedClass = persistentClass.getMappedClass();
  45                         String mappedClassName = mappedClass.getName();
  46
  47                         CdmModelFieldPropertyFromClass cmgmfc = new CdmModelFieldPropertyFromClass(mappedClassName);
  48                         logger.info("Adding class : " + mappedClassName + " to cache");
  49                         addGetters(persistentClass, cmgmfc);
  50                         cache.put(new Element(mappedClassName, cmgmfc));
  51                 }
  52
  53         }
  54
  55         private void addGetters(PersistentClass persistentClass, CdmModelFieldPropertyFromClass cmgmfc) {
  56             if (persistentClass != null) {
  57                 Iterator propertyIt = persistentClass.getPropertyIterator();
  58
  59                 while(propertyIt.hasNext())
  60                 {
  61                     Property property = (Property)propertyIt.next();
  62                     Getter getter = property.getGetter(persistentClass.getMappedClass());
  63                     if(getter != null && getter.getMember() != null) {
  64                         Field field = (Field)getter.getMember();
  65                         //String getMethod = getMethodNameFromFieldName(field.getName(), field.getType().getName());
  66                         logger.info(" - contains field '" + field.getName() + "' of type '" + field.getType().getName() + "'");
  67                         cmgmfc.addGetMethods(field.getName());
  68                     }
  69                 }
  70                 addGetters(persistentClass.getSuperclass(), cmgmfc);
  71             }
  72         }
  73
  74         public void checkGetterMethods() {
  75
  76                 Configuration configuration = new Configuration().configure(HB_CONFIG_FILE_PATH);
  77                 configuration.buildMappings();
  78                 Iterator<PersistentClass> classMappingIterator =   configuration.getClassMappings();
  79
  80                 Cache cache = CdmRemoteCacheManager.getInstance().getCdmModelGetMethodsCache();
  81                 cache.removeAll();
  82
  83                 while(classMappingIterator.hasNext()) {
  84                         PersistentClass persistentClass = classMappingIterator.next();
  85                         Class mappedClass = persistentClass.getMappedClass();
  86                         String mappedClassName = mappedClass.getName();
  87
  88                         Iterator propertyIt = persistentClass.getPropertyIterator();
  89
  90                         Method[] methods = mappedClass.getMethods();
  91
  92                         while(propertyIt.hasNext())
  93                         {
  94                                 Property property = (Property)propertyIt.next();
  95                                 Getter getter = property.getGetter(mappedClass);
  96                                 if(getter != null && getter.getMember() != null) {
  97                                         Field field = (Field)getter.getMember();
  98                                         String getMethod = getMethodNameFromFieldName(field.getName(), field.getType().getName());
  99
 100                                         boolean foundMethod = false;
 101                                         for(Method method : methods) {
 102                                                 if(method.getName().equals(getMethod)) {
 103                                                         foundMethod = true;
 104                                                         break;
 105                                                 }
 106                                         }
 107                                         if(!foundMethod) {
 108                                                 logger.info("Inferred method " + getMethod + " does not exist in class " + mappedClassName);
 109                                                 //throw new CdmClientCacheException("Inferred method " + getMethod + " does not exist in class " + mappedClassName);
 110                                         }
 111                                 }
 112                         }
 113
 114
 115                 }
 116
 117         }
 118
 119         public List<CdmModelFieldPropertyFromClass> getCdmModelGetMethodFromClassList() {
 120                 cmgmfcList.clear();
 121                 Configuration configuration = new Configuration().configure(HB_CONFIG_FILE_PATH);
 122                 configuration.buildMappings();
 123                 Iterator<PersistentClass> classMappingIterator =   configuration.getClassMappings();
 124
 125                 while(classMappingIterator.hasNext()) {
 126                         PersistentClass persistentClass = classMappingIterator.next();
 127                         Class mappedClass = persistentClass.getMappedClass();
 128                         String mappedClassName = mappedClass.getName();
 129
 130                         CdmModelFieldPropertyFromClass cmgmfc = new CdmModelFieldPropertyFromClass(mappedClassName);
 131                         Iterator propertyIt = persistentClass.getPropertyIterator();
 132
 133                         while(propertyIt.hasNext())
 134                         {
 135                                 Property property = (Property)propertyIt.next();
 136                                 Getter getter = property.getGetter(mappedClass);
 137                                 if(getter != null && getter.getMember() != null) {
 138                                         Field field = (Field)getter.getMember();
 139                                         String getMethod = getMethodNameFromFieldName(getter.getMember().getName(),field.getType().getName());
 140                                         cmgmfc.addGetMethods(getMethod);
 141                                 }
 142                         }
 143                         cmgmfcList.add(cmgmfc);
 144                 }
 145                 return cmgmfcList;
 146
 147         }
 148
 149         public static String getMethodNameFromFieldName(String fieldName, String type) {
 150                 String prefix = type != null && type.toLowerCase().endsWith("boolean") ? "is" : "get";
 151                 String getMethod =  prefix + fieldName.substring(0, 1).toUpperCase() + fieldName.substring(1);
 152                 return getMethod;
 153         }
 154
 155
 156
 157
 158
 159 }